منابع مشابه
Crystalline glycerophosphate dehydrogenase from rabbit muscle.
Enzymatic activity was determined in an optical test, based on the measurement of reduced DPN at 340 rnp in the Beckman spectrophotometer. The reaction was carried out in phosphate or cysteine buffer at pH 7. Synthetic dihydroxyacetone phosphate (5) with reduced DPN or racemic cr-glycerophosphate with DPN was used as substrate to measure the forward and backward reactions, respectively. The con...
متن کاملLactic and Α-glycerophosphate Dehydrogenases in Insects
Different tissues, especially muscles, from insects belonging to various groups were extracted and studied for their lactic dehydrogenase (LDH) and alpha-glycerophosphate dehydrogenase (GDH I) activities from the comparative point of view. In all cases assays of flight muscle extracts showed extremely low values of LDH activity whereas the GDH activities were surprisingly high. The activities i...
متن کاملThe Α-glycerophosphate Cycle in Drosophila Melanogaster
"Null" mutations previously isolated at the alphaGpdh-1 locus of Drosophila melanogaster, because of disruption of the energy-producing alpha-glycerophosphate cycle, severely restrict the flight ability and relative viability of affected individuals. Two "null" alleles, alphaGpdh-1(BO-1-4), and alphaGpdh-1(BO-1-5,) when made hemizygous with a deficiency of the alphaGpdh-1 locus, Df(2L)GdhA, wer...
متن کاملL-3-glycerophosphate dehydrogenase from pig brain mitochondria.
1. A method is described for extraction and partial purification of mitochondrial l-3-glycerophosphate dehydrogenase from pig brain. 2. By the criteria that have so far been applied, the extraction and purification procedures do not modify the activity of the enzyme towards artificial electron acceptors. 3. The amounts of acid-liberatable flavine and iron in the preparation were measured. 4. A ...
متن کاملInduction of hepatic mitochondrial glycerophosphate dehydrogenase in rats by dehydroepiandrosterone.
Feeding the thermogenic steroid, 5-androsten-3 beta-ol-17-one (dehydroepiandrosterone, DHEA) in the diet of rats induced the synthesis of liver mitochondrial sn-glycerol 3-phosphate dehydrogenase to levels three to five times that of control rats within 7 days. The previously reported enhancement of liver cytosolic malic enzyme was confirmed. The induction of both enzymes was detectable at 0.01...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1936
ISSN: 0306-3283
DOI: 10.1042/bj0300629